From f4c69235c352f846461c5ec11d11338114f5f3a7 Mon Sep 17 00:00:00 2001
From: William Schultz <william.schultz@mongodb.com>
Date: Mon, 1 Oct 2018 12:34:53 -0400
Subject: [PATCH] SERVER-37274 Set priority of secondaries to zero in
 commands_that_accept_write_concern JS tests

---
 jstests/replsets/commands_that_write_accept_wc.js     |  7 ++++++-
 .../commands_that_write_accept_wc_configRS.js         | 11 +++++++++--
 .../sharding/commands_that_write_accept_wc_shards.js  | 11 +++++++++--
 3 files changed, 24 insertions(+), 5 deletions(-)

diff --git a/jstests/replsets/commands_that_write_accept_wc.js b/jstests/replsets/commands_that_write_accept_wc.js
index 284c9143a7e..26d785c97f7 100644
--- a/jstests/replsets/commands_that_write_accept_wc.js
+++ b/jstests/replsets/commands_that_write_accept_wc.js
@@ -8,7 +8,12 @@
 
 (function() {
     "use strict";
-    var replTest = new ReplSetTest({name: 'WCSet', nodes: 3, settings: {chainingAllowed: false}});
+    var replTest = new ReplSetTest({
+        name: 'WCSet',
+        // Set priority of secondaries to zero to prevent spurious elections.
+        nodes: [{}, {rsConfig: {priority: 0}}, {rsConfig: {priority: 0}}],
+        settings: {chainingAllowed: false}
+    });
     replTest.startSet();
     replTest.initiate();
 
diff --git a/jstests/sharding/commands_that_write_accept_wc_configRS.js b/jstests/sharding/commands_that_write_accept_wc_configRS.js
index 9fc95563eab..aac64734c7f 100644
--- a/jstests/sharding/commands_that_write_accept_wc_configRS.js
+++ b/jstests/sharding/commands_that_write_accept_wc_configRS.js
@@ -21,9 +21,16 @@ load('jstests/multiVersion/libs/auth_helpers.js');
     TestData.disableImplicitSessions = true;
 
     var st = new ShardingTest({
+        // Set priority of secondaries to zero to prevent spurious elections.
         shards: {
-            rs0: {nodes: 3, settings: {chainingAllowed: false}},
-            rs1: {nodes: 3, settings: {chainingAllowed: false}}
+            rs0: {
+                nodes: [{}, {rsConfig: {priority: 0}}, {rsConfig: {priority: 0}}],
+                settings: {chainingAllowed: false}
+            },
+            rs1: {
+                nodes: [{}, {rsConfig: {priority: 0}}, {rsConfig: {priority: 0}}],
+                settings: {chainingAllowed: false}
+            }
         },
         configReplSetTestOptions: {settings: {chainingAllowed: false}},
         mongos: 1
diff --git a/jstests/sharding/commands_that_write_accept_wc_shards.js b/jstests/sharding/commands_that_write_accept_wc_shards.js
index 2d41ef9bace..6d843652d12 100644
--- a/jstests/sharding/commands_that_write_accept_wc_shards.js
+++ b/jstests/sharding/commands_that_write_accept_wc_shards.js
@@ -14,9 +14,16 @@ load('jstests/libs/write_concern_util.js');
 (function() {
     "use strict";
     var st = new ShardingTest({
+        // Set priority of secondaries to zero to prevent spurious elections.
         shards: {
-            rs0: {nodes: 3, settings: {chainingAllowed: false}},
-            rs1: {nodes: 3, settings: {chainingAllowed: false}}
+            rs0: {
+                nodes: [{}, {rsConfig: {priority: 0}}, {rsConfig: {priority: 0}}],
+                settings: {chainingAllowed: false}
+            },
+            rs1: {
+                nodes: [{}, {rsConfig: {priority: 0}}, {rsConfig: {priority: 0}}],
+                settings: {chainingAllowed: false}
+            }
         },
         configReplSetTestOptions: {settings: {chainingAllowed: false}},
         mongos: 1,